The secret lies in the integrated pneumatic spring for effortless and comfortable height adjustment. Simply release the clamping knob and it couldn't be easier to adjust the height. 14046 Pneumatic stool - The stool with power! The popular and functional stool 14044/14045 has been upgraded again. The secret lies in the integrated pneumatic spring for effortless and comfortable height adjustment. Simply release the clamping knob and it couldn't be easier to adjust the height from 600 to 900 mm with the spring-loaded clamping knob/pneumatic spring. 2-piece folding design Rod combination: ergonomic seat, wear-resistant simulated leather, size 380 x 350 mm Seat: seat can be adjusted in height and angle; includes a pneumatic spring with 10 kg press capacity; includes a height adjustable footrest; adjustable end cap to stabilize the stool on uneven surfaces